This week is the tenth anniversary of the PlayStation 2's launch in North America, and as part of the celebrations Sony rounded up a bunch of big-name developers and asked them what their favourite PS2 games were.

Don't worry, it's not just Sony or Sony BFF developers giving their thoughts; everyone from Ken Levine to Cliff Bleszinski to Warren Spector to Tim Schafer is sounding off, with some interesting - and unexpected - responses.

Each developer could provide three favourite games, in order of preference, but for the sake of brevity we'll only be including a selection of people's top choices. For the rest, head over to the PlayStation.Blog.

Tim Schafer (Psychonauts)
Katamari Damacy – "This game takes me into a crazy world that I never want to leave. Growing from the size of a mouse to the size of a planet is incredibly satisfying to me."

Ken Levine (BioShock)
Dark Cloud 2 - "It's Diablo meets Sim City meets Tiger Woods Golf meets Pokemon. If you can only afford one game in your life, this might be the one to pick up."

Warren Spector (Deus Ex)
Ico – "For one thing, the vistas and screens it offers are gorgeous. And all that gorgeousness offers a window into a world that feels more real than almost any other in gaming history. You can FEEL the history, the depth of this world in a way no other game can match."

Cliff Bleszinski (Gears of War)
Grand Theft Auto: Vice City – "Took the bits that worked from GTAIII and polished the heck out of them."

Chet Faliszek (Left 4 Dead)
Grand Theft Auto: San Andreas - "This is my favorite of the series, if for no other reason than driving around town with my gang in a bus grabbing territory."

Todd Howard (Oblivion)
Grand Theft Auto III – "The mark of a truly great game is how many people try to recapture or emulate it and fail. There's a long line behind this one."

David Jaffe (God of War)
Ico - "Moody, emotional, and just an overall fantastic adventure. People go on and on about the artistry of this game but many forget what a great GAME-Y GAME it was: great puzzles, fun exploration, and a great, hook-y ‘protect the girl' core mechanic make this one of my top 10 games of all time."